Kyocera FS C5020N - Color LED Printer Service Manual page 161

2-1-4 Primary transfer section
Primary transfer section is composed of the primary transfer unit and primary transfer cleaning unit.
(1) Primary transfer unit
The primary transfer unit is comprised of the primary transfer belt, tension rollers, and four primary transfer rollers of col-
ors. Color image is transferred on the transfer belt as the four layers different colors. The toner ID sensor mounted on the
main frame monitors the density of the toner on the primary transfer belt.
Primary transfer
cleaning unit
(1) Tension roller
(2) Backup roller
(3) Drive roller
(4) Primary transfer roller (magenta)
(5) Primary transfer roller (cyan)
The primary transfer belt is made of stratum fluorine coat, stratum elastic, and stratum resin in the order from the surface
to the bottom. These substances ensure smooth paper travel as well as the durability of the belt itself.
Figure 2-1-24 Primary transfer unit
(6)
(7)
(8)
(9)
(10) Tension base
Primary transfer belt
Figure 2-1-25 Primary transfer unit
Primary transfer roller (yellow)
Primary transfer roller (black)
Primary transfer belt
Drive base
Stratum fluorine coated
Stratum elasticity
Stratum resin
2F3/2F4-3.0
2-1-19